Osmium vs Moscovium

PropertyOs OsmiumMc Moscovium
Atomic number76115
SymbolOsMc
NameOsmiumMoscovium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight190.23 u289 u
Period67
Group815
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d6[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8][1, 3]
Electronegativity (Pauling)2.2N/A
Electron affinity1.1 eV0.3 eV
Density2.258720e+4 kg/m³1.350000e+4 kg/m³
Melting point3032.85 °C396.85 °C
Boiling point5011.85 °C1126.85 °C
Discovery year18032004